"use strict"
const path = require("path")
const defaultSettings = require("./src/settings.js")

function resolve(dir) {
	return path.join(__dirname, dir)
}

const name = defaultSettings.title || "测试标题" // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 9528 npm run dev OR npm run dev --port = 9528
// const port = process.env.port || process.env.npm_config_port || 9528 // dev port
const port = defaultSettings.port || 9528 // dev port
// const devServer_ = (defaultSettings.devServer &&
// 	Object.keys(defaultSettings.devServer).length > 0) || {
// 	port: port,
// 	open: true,
// 	overlay: {
// 		warnings: false,
// 		errors: true
// 	},
// 	before: require("./mock/mock-server.js")
// }
const devServer_ = defaultSettings.devServer
// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
	/**
	 * You will need to set publicPath if you plan to deploy your site under a sub path,
	 * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
	 * then publicPath should be set to "/bar/".
	 * In most cases please use '/' !!!
	 * Detail: https://cli.vuejs.org/config/#publicpath
	 */
	publicPath: "/",
	outputDir: "dist",
	assetsDir: "static",
	lintOnSave: process.env.NODE_ENV === "development",
	productionSourceMap: false,
	devServer: devServer_,
	// devServer: {
	// 	port: port,
	// 	// open: true, //配置自动启动浏览器
	// 	proxy: {
	// 		"/api": {
	// 			target: "http://10.32.226.135:9090/", //后端ip地址及端口
	// 			ws: true, //是否跨域
	// 			changeOrigin: true,
	// 			pathRewrite: {
	// 				"^/api": ""
	// 			}
	// 		},
	// 		"/log": {
	// 			target: "http://10.32.226.136:9090/", //后端ip地址及端口
	// 			ws: true, //是否跨域
	// 			changeOrigin: true,
	// 			pathRewrite: {
	// 				"^/log": ""
	// 			}
	// 		}
	// 	}
	// },
	configureWebpack: {
		// provide the app's title in webpack's name field, so that
		// it can be accessed in index.html to inject the correct title.
		name: name,
		resolve: {
			alias: {
				"@": resolve("src")
			}
		}
	},
	chainWebpack(config) {
		// it can improve the speed of the first screen, it is recommended to turn on preload
		config.plugin("preload").tap(() => [
			{
				rel: "preload",
				// to ignore runtime.js
				// https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
				fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
				include: "initial"
			}
		])

		// when there are many pages, it will cause too many meaningless requests
		config.plugins.delete("prefetch")

		// set svg-sprite-loader
		config.module
			.rule("svg")
			.exclude.add(resolve("src/icons"))
			.end()
		config.module
			.rule("icons")
			.test(/\.svg$/)
			.include.add(resolve("src/icons"))
			.end()
			.use("svg-sprite-loader")
			.loader("svg-sprite-loader")
			.options({
				symbolId: "icon-[name]"
			})
			.end()

		config.when(process.env.NODE_ENV !== "development", config => {
			config
				.plugin("ScriptExtHtmlWebpackPlugin")
				.after("html")
				.use("script-ext-html-webpack-plugin", [
					{
						// `runtime` must same as runtimeChunk name. default is `runtime`
						inline: /runtime\..*\.js$/
					}
				])
				.end()
			config.optimization.splitChunks({
				chunks: "all",
				cacheGroups: {
					libs: {
						name: "chunk-libs",
						test: /[\\/]node_modules[\\/]/,
						priority: 10,
						chunks: "initial" // only package third parties that are initially dependent
					},
					elementUI: {
						name: "chunk-elementUI", // split elementUI into a single package
						priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
						test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
					},
					commons: {
						name: "chunk-commons",
						test: resolve("src/components"), // can customize your rules
						minChunks: 3, //  minimum common number
						priority: 5,
						reuseExistingChunk: true
					}
				}
			})
			// https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
			config.optimization.runtimeChunk("single")
		})
	}
}
